Base | Representation |
---|---|
bin | 1110100111000… |
… | …0101101000001 |
3 | 11021022022001010 |
4 | 3221300231001 |
5 | 111141412131 |
6 | 10025231133 |
7 | 1342602045 |
oct | 351605501 |
9 | 137268033 |
10 | 61279041 |
11 | 3165493a |
12 | 186324a9 |
13 | c9071b5 |
14 | 81d2025 |
15 | 55a6b46 |
hex | 3a70b41 |
61279041 has 8 divisors (see below), whose sum is σ = 81803520. Its totient is φ = 40803632.
The previous prime is 61279021. The next prime is 61279063. The reversal of 61279041 is 14097216.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-61279041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61279021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9246 + ... + 14423.
It is an arithmetic number, because the mean of its divisors is an integer number (10225440).
Almost surely, 261279041 is an apocalyptic number.
It is an amenable number.
61279041 is a deficient number, since it is larger than the sum of its proper divisors (20524479).
61279041 is a wasteful number, since it uses less digits than its factorization.
61279041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24535.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 61279041 is about 7828.0930628091. The cubic root of 61279041 is about 394.2490480539.
The spelling of 61279041 in words is "sixty-one million, two hundred seventy-nine thousand, forty-one".
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